210522051071 has 4 divisors (see below), whose sum is σ = 222905701152. Its totient is φ = 198138400992.

The previous prime is 210522051067. The next prime is 210522051121. The reversal of 210522051071 is 170150225012.

210522051071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210522051071 - 2² = 210522051067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210522051071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210522051371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6191825015 + ... + 6191825048.

It is an arithmetic number, because the mean of its divisors is an integer number (55726425288).

Almost surely, 2^210522051071 is an apocalyptic number.

210522051071 is a deficient number, since it is larger than the sum of its proper divisors (12383650081).

210522051071 is a wasteful number, since it uses less digits than its factorization.

210522051071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12383650080.

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 210522051071 its reverse (170150225012), we get a palindrome (380672276083).

The spelling of 210522051071 in words is "two hundred ten billion, five hundred twenty-two million, fifty-one thousand, seventy-one".